Philips SDVD8821 EX04 Firmware

After i upgraded the firmware to EX31 nothing has been working, it wont read any discs what so ever… So i was wondering if anyone knows where to get the EX04 firmware so i can downgrade it to that one and see if it works ? any other help will appriceated really much as i need the dvd drive every day… I already looked at the other threads about this dvd drive but with no luck…

I know this an old post,
so its a long shot.
but did u ever found the EX04 firmware?